NB/T 20005.1-2010
Carbon steel and low alloy steel for pressurized water reactor nuclear power plants-Part 1: Class 1,2,3 forgings (English Version)
- Standard No.
- NB/T 20005.1-2010
- Language
- Chinese, Available in English version
- Release Date
- 2010
- Published By
- Professional Standard - Energy
- Status
- 2020-07
- Replace By
- NB/T 20005.1-2019
- Latest
- NB/T 20005.1-2019
- Replace
- EJ/T 466-1999
- Scope
- This part specifies the requirements for manufacturing, chemical composition, mechanical properties, sampling and acceptance of 20, 16Mn and 15MnNi carbon steel and low alloy steel forgings. This section applies to carbon steel and low alloy steel forgings for Level 1, 2, and 3 equipment in pressurized water reactor nuclear power plants. This section does not apply to heat exchanger tube sheets and auxiliary pump shaft forgings, nor to forgings for main steam systems, main feed water flow control systems, auxiliary water supply systems and turbine bypass systems.
NB/T 20005.1-2010 history
- 2019 NB/T 20005.1-2019 Carbon steel and low alloy steel for pressurized water reactor nuclear power plant part 1 : forgings of grade 1 , 2 and 3
- 2010 NB/T 20005.1-2010 Carbon steel and low alloy steel for pressurized water reactor nuclear power plants-Part 1: Class 1,2,3 forgings
- 1999 EJ/T 466-1999 Specification for 16Mn, 15MnNi steel forgings of safety class 2 pressure vessel for pressurized water reactor nuclear power plants
NB/T 20005.1-2010 Carbon steel and low alloy steel for pressurized water reactor nuclear power plants-Part 1: Class 1,2,3 forgings has been changed from EJ/T 466-1999 Specification for 16Mn, 15MnNi steel forgings of safety class 2 pressure vessel for pressurized water reactor nuclear power plants.
